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qapi/s390x/cpu topology: CPU_POLARIZATION_CHANGE QAPI event

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When the guest asks to change the polarization this change
is forwarded to the upper layer using QAPI.
The upper layer is supposed to take according decisions concerning
CPU provisioning.

Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Co-developed-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Acked-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Message-ID: <20231016183925.2384704-13-nsg@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
Pierre Morel 2023-10-16 20:39:16 +02:00 • committed by Thomas Huth
parent bb2df37a62
commit 1cfe52b782
2 changed files with 37 additions and 0 deletions
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2
hw/s390x/cpu-topology.c
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@ -24,6 +24,7 @@
#include "hw/s390x/s390-virtio-ccw.h"
#include "hw/s390x/cpu-topology.h"
#include "qapi/qapi-commands-machine-target.h"
#include "qapi/qapi-events-machine-target.h"
/*
* s390_topology is used to keep the topology information.
@ -136,6 +137,7 @@ void s390_handle_ptf(S390CPU *cpu, uint8_t r1, uintptr_t ra)
} else {
s390_topology.polarization = polarization;
s390_cpu_topology_set_changed(true);
qapi_event_send_cpu_polarization_change(polarization);
setcc(cpu, 0);
}
break;